bleaching powder

noun Chemistry.

a white powder that decomposes on contact with water and has the characteristic odor of gaseous chlorine: regarded, when dry, as a mixed calcium hypochlorite-chloride, used as a commercial bleach for wood pulp, textiles, oils, and soaps, and in laundering as a decolorizer and disinfectant.

Also called chloride of lime, chlorinated lime, calcium oxychloride.

Origin of bleaching powder

First recorded in 1850–55

Words nearby bleaching powder

bleach, bleacher, bleacherite, bleachers, bleachery, bleaching powder, bleak, Bleak House, blear, bleary, bleary-eyed

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for bleaching powder

A solution of bleaching-powder gives with solution of the sulphate a purple colour changing to red-brown.
Aids to Forensic Medicine and Toxicology|W. G. Aitchison Robertson
For this purpose a filtered solution of bleaching-powder and a very dilute solution of nitric acid may be employed.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3|Various
The important element in bleaching-powder is the chlorine which it contains.
Electricity and Magnetism|Elisha Gray
The second modification of bleaching-powder is designated "puratylene," and contains calcium chloride and quick or slaked lime.
Acetylene, The Principles Of Its Generation And Use|F. H. Leeds

Arsenic is insoluble in the acid, but immediately dissolves in the bleaching-powder.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1|Various

British Dictionary definitions for bleaching powder

bleaching powder

noun

a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H 2 O. It is used in solution as a bleaching agent and disinfectantAlso called: chloride of lime, chlorinated lime

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	bleaching powder
释义	bleaching powder noun Chemistry. a white powder that decomposes on contact with water and has the characteristic odor of gaseous chlorine: regarded, when dry, as a mixed calcium hypochlorite-chloride, used as a commercial bleach for wood pulp, textiles, oils, and soaps, and in laundering as a decolorizer and disinfectant. Also called chloride of lime, chlorinated lime, calcium oxychloride. Origin of bleaching powder First recorded in 1850–55 Words nearby bleaching powder bleach, bleacher, bleacherite, bleachers, bleachery, bleaching powder, bleak, Bleak House, blear, bleary, bleary-eyed Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for bleaching powder A solution of bleaching-powder gives with solution of the sulphate a purple colour changing to red-brown. Aids to Forensic Medicine and Toxicology\|W. G. Aitchison Robertson For this purpose a filtered solution of bleaching-powder and a very dilute solution of nitric acid may be employed. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3\|Various The important element in bleaching-powder is the chlorine which it contains. Electricity and Magnetism\|Elisha Gray The second modification of bleaching-powder is designated "puratylene," and contains calcium chloride and quick or slaked lime. Acetylene, The Principles Of Its Generation And Use\|F. H. Leeds Arsenic is insoluble in the acid, but immediately dissolves in the bleaching-powder. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1\|Various British Dictionary definitions for bleaching powder bleaching powder noun a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H 2 O. It is used in solution as a bleaching agent and disinfectantAlso called: chloride of lime, chlorinated lime Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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